If the sample mean difference is 8 points is this enough to

If the sample mean difference is 8 points, is this enough to reject the null hypothesis and conclude there is a significant difference for a two-tailed test at the .05 level?

Solution

No, we can\'t reject the null hypothesis with the mean diffrence of 8. Though with the diffrence in mean we do have the chance there is no significant diffrence b/w the samples chosen